io.vertx.db2client.impl.codec.ExtendedQueryCommandCodec Maven / Gradle / Ivy
/*
* Copyright (C) 2019,2020 IBM Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.vertx.db2client.impl.codec;
import io.netty.buffer.ByteBuf;
import io.vertx.db2client.impl.codec.DB2PreparedStatement.QueryInstance;
import io.vertx.db2client.impl.drda.DRDAQueryRequest;
import io.vertx.db2client.impl.drda.DRDAQueryResponse;
import io.vertx.sqlclient.impl.command.CommandResponse;
import io.vertx.sqlclient.impl.command.ExtendedQueryCommand;
class ExtendedQueryCommandCodec extends ExtendedQueryCommandBaseCodec> {
final QueryInstance queryInstance;
ExtendedQueryCommandCodec(ExtendedQueryCommand cmd) {
super(cmd);
queryInstance = statement.getQueryInstance(cmd.cursorId());
}
@Override
void encodeQuery(DRDAQueryRequest req) {
encodePreparedQuery(req, queryInstance, cmd.params());
}
@Override
void encodeUpdate(DRDAQueryRequest req) {
encodePreparedUpdate(req, cmd.params());
if (cmd.autoCommit()) {
req.buildRDBCMM();
}
}
void decodeQuery(ByteBuf payload) {
DRDAQueryResponse resp = new DRDAQueryResponse(payload, encoder.socketConnection.connMetadata);
RowResultDecoder decoder = decodePreparedQuery(payload, resp, queryInstance);
boolean hasMoreResults = !decoder.isQueryComplete();
handleQueryResult(decoder);
completionHandler.handle(CommandResponse.success(hasMoreResults));
}
void decodeUpdate(ByteBuf payload) {
DRDAQueryResponse updateResponse = new DRDAQueryResponse(payload, encoder.socketConnection.connMetadata);
handleUpdateResult(updateResponse);
if (cmd.autoCommit()) {
updateResponse.readLocalCommit();
}
completionHandler.handle(CommandResponse.success(true));
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder(super.toString());
sb.append(", params=");
sb.append(cmd.params().deepToString());
return sb.toString();
}
}